189 	u64		snap_id;  member
297 		u64			snap_id;	/* for reads */  member
536 					u64 snap_id);
537 static int _rbd_dev_v2_snap_size(struct rbd_device *rbd_dev, u64 snap_id,
539 static int _rbd_dev_v2_snap_features(struct rbd_device *rbd_dev, u64 snap_id,
591 	if (rbd_dev->spec->snap_id != CEPH_NOSNAP && !ro)  in rbd_ioctl_set_ro()
1059 static u32 rbd_dev_snap_index(struct rbd_device *rbd_dev, u64 snap_id)  in rbd_dev_snap_index()  argument
1064 	found = bsearch(&snap_id, &snapc->snaps, snapc->num_snaps,  in rbd_dev_snap_index()
1065 				sizeof (snap_id), snapid_compare_reverse);  in rbd_dev_snap_index()
1071 					u64 snap_id)  in rbd_dev_v1_snap_name()  argument
1076 	which = rbd_dev_snap_index(rbd_dev, snap_id);  in rbd_dev_v1_snap_name()
1084 static const char *rbd_snap_name(struct rbd_device *rbd_dev, u64 snap_id)  in rbd_snap_name()  argument
1086 	if (snap_id == CEPH_NOSNAP)  in rbd_snap_name()
1091 		return rbd_dev_v1_snap_name(rbd_dev, snap_id);  in rbd_snap_name()
1093 	return rbd_dev_v2_snap_name(rbd_dev, snap_id);  in rbd_snap_name()
1096 static int rbd_snap_size(struct rbd_device *rbd_dev, u64 snap_id,  in rbd_snap_size()  argument
1100 	if (snap_id == CEPH_NOSNAP) {  in rbd_snap_size()
1105 		which = rbd_dev_snap_index(rbd_dev, snap_id);  in rbd_snap_size()
1114 		ret = _rbd_dev_v2_snap_size(rbd_dev, snap_id, NULL, &size);  in rbd_snap_size()
1123 static int rbd_snap_features(struct rbd_device *rbd_dev, u64 snap_id,  in rbd_snap_features()  argument
1127 	if (snap_id == CEPH_NOSNAP) {  in rbd_snap_features()
1135 		ret = _rbd_dev_v2_snap_features(rbd_dev, snap_id, &features);  in rbd_snap_features()
1146 	u64 snap_id = rbd_dev->spec->snap_id;  in rbd_dev_mapping_set()  local
1151 	ret = rbd_snap_size(rbd_dev, snap_id, &size);  in rbd_dev_mapping_set()
1154 	ret = rbd_snap_features(rbd_dev, snap_id, &features);  in rbd_dev_mapping_set()
1902 	u64 snap_id;  in rbd_osd_req_format_read()  local
1906 	snap_id = img_request ? img_request->snap_id : CEPH_NOSNAP;  in rbd_osd_req_format_read()
1908 			NULL, snap_id, NULL);  in rbd_osd_req_format_read()
2191 		img_request->snap_id = rbd_dev->spec->snap_id;  in rbd_img_request_create()
3398 		rbd_assert(rbd_dev->spec->snap_id == CEPH_NOSNAP);  in rbd_queue_workfn()
3409 		rbd_assert(rbd_dev->spec->snap_id != CEPH_NOSNAP);  in rbd_queue_workfn()
3631 	u64 snap_id;  in rbd_exists_validate()  local
3636 	snap_id = rbd_dev->spec->snap_id;  in rbd_exists_validate()
3637 	if (snap_id == CEPH_NOSNAP)  in rbd_exists_validate()
3640 	if (rbd_dev_snap_index(rbd_dev, snap_id) == BAD_SNAP_INDEX)  in rbd_exists_validate()
3691 	if (rbd_dev->spec->snap_id == CEPH_NOSNAP) {  in rbd_dev_refresh()
3933 			    spec->snap_id, spec->snap_name,  in rbd_parent_show()
4024 	spec->snap_id = CEPH_NOSNAP;  in rbd_spec_alloc()
4114 static int _rbd_dev_v2_snap_size(struct rbd_device *rbd_dev, u64 snap_id,  in _rbd_dev_v2_snap_size()  argument
4117 	__le64 snapid = cpu_to_le64(snap_id);  in _rbd_dev_v2_snap_size()
4141 		(unsigned long long)snap_id,  in _rbd_dev_v2_snap_size()
4188 static int _rbd_dev_v2_snap_features(struct rbd_device *rbd_dev, u64 snap_id,  in _rbd_dev_v2_snap_features()  argument
4191 	__le64 snapid = cpu_to_le64(snap_id);  in _rbd_dev_v2_snap_features()
4216 		(unsigned long long)snap_id,  in _rbd_dev_v2_snap_features()
4239 	u64 snap_id;  in rbd_dev_v2_parent_info()  local
4257 	snapid = cpu_to_le64(rbd_dev->spec->snap_id);  in rbd_dev_v2_parent_info()
4304 	ceph_decode_64_safe(&p, end, snap_id, out_err);  in rbd_dev_v2_parent_info()
4315 		parent_spec->snap_id = snap_id;  in rbd_dev_v2_parent_info()
4471 	u64 snap_id;  in rbd_v2_snap_id_by_name()  local
4476 		snap_id = snapc->snaps[which];  in rbd_v2_snap_id_by_name()
4477 		snap_name = rbd_dev_v2_snap_name(rbd_dev, snap_id);  in rbd_v2_snap_id_by_name()
4488 	return found ? snap_id : CEPH_NOSNAP;  in rbd_v2_snap_id_by_name()
4515 		u64 snap_id;  in rbd_spec_fill_snap_id()  local
4517 		snap_id = rbd_snap_id_by_name(rbd_dev, spec->snap_name);  in rbd_spec_fill_snap_id()
4518 		if (snap_id == CEPH_NOSNAP)  in rbd_spec_fill_snap_id()
4521 		spec->snap_id = snap_id;  in rbd_spec_fill_snap_id()
4523 		spec->snap_id = CEPH_NOSNAP;  in rbd_spec_fill_snap_id()
4546 	rbd_assert(spec->snap_id != CEPH_NOSNAP);  in rbd_spec_fill_names()
4567 	snap_name = rbd_snap_name(rbd_dev, spec->snap_id);  in rbd_spec_fill_names()
4658 					u64 snap_id)  in rbd_dev_v2_snap_name()  argument
4673 	snapid = cpu_to_le64(snap_id);  in rbd_dev_v2_snap_name()
4691 		(unsigned long long)snap_id, snap_name);  in rbd_dev_v2_snap_name()
5455 	if (rbd_dev->spec->snap_id != CEPH_NOSNAP)  in do_rbd_add()